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| High-side Power Switch with Diagnostic Function SI-5155S Features q Built-in diagnostic function to detect short and open circuiting of loads and output status signals q Low saturation PNP transistor use q Allows direct driving using LS-TTL and C-MOS logic levels q Built-in overcurrent and thermal protection circuits q Built-in protection against reverse connection of power supply q Tj = 150C guaranteed q TO-220 equivalent full-mold package not require insulation mica External Dimensions (unit: mm) 10 0.2 3.2 0.2 4.2 0.2 2.8 0.2 4.0 0.2 7.9 0.2 16.9 0.3 a b 2.6 0.1 (Ta=25C) Ratings -13 to +40 -0.3 to VB 6 40 2.5 22 1.8 -40 to +150 -40 to +100 -40 to +150 Unit V V V V A W W C C C With infinite heatsink (Tc=25C) Stand-alone without heatsink 1 2 3 4 5 Parameter Power supply voltage Input terminal voltage DIAG terminal voltage Collector-emitter voltage Output current Power dissipation Symbol VB VIN VDIAG VCE IO PD1 PD2 Conditions P1.7 0.15 * 4 0.85 -0.1 4 0.6 +0.2 0.45 -0.1 +0.2 1. GND 2. VIN 3. Vo 4. DIAG 5. VB a: Type No. b: Lot No. (Forming No. 1111) Junction temperature Operating temperature Storage temperature Tj TOP Tstg Standard Circuit Diagram VB 5 Electrical Characteristics Ratings Parameter Operating power supply voltage Quiescent circuit current Saturation voltage of output transistor Output leak current Output ON Input voltage Output OFF Output ON Input current Output OFF Overcurrent protection starting current Thermal protection starting temperature Open load detection resistor Output transfer time TOFF VDH DIAG output voltage VDL TPLH DIAG output transfer time TPHL Minimum load inductance L 1 30 0.3 30 4.5 15 30 6 IIL IS -0.1 2.6 VIL IIH -0.3 0.8 1 Symbol VBopr Iq VCE (sat) 0.72 IO, leak VIH 2.0 2 VB min 6.0 5 typ max 30 12 0.3 (Ta=25C unless otherwise specified) Unit V mA V V mA V V mA mA A VBopr = 14V, VIN = 0V IO 1.0A, VBopr = 6 to 16V IO 2.5A, VBopr = 6 to 16V VCEO = 16V, VIN = 0V VBopr = 6 to 16V VBopr = 6 to 16V VIN = 5V VIN = 0V VBopr = 14V, VO = VBopr -1.5V Conditions VIN 2 LS-TTL or CMOS VO 3.6 0.5 Absolute Maximum Ratings 0.94 0.15 2.9 -0.3 +0.2 20 max PZ VCC SI-5155S 3 DIAG 4 5.1k Load GND Overheat Normal 1 Truth table VIN VO H L H L Diagnostic Function Normal Open load Shorted load TTSD Ropen TON 150 30 8 30 C k S S V V S S mH VBopr 6V VBopr = 6 to 16V VBopr = 14V, IO = 1A VBopr = 14V, IO = 1A VCC = 6V, VBopr = 6 to 16V VCC = 6V, VBopr = 6 to 16V, IDO = 2mA VBopr = 14V, IO = 1A VBopr = 14V, IO = 1A VIN VO DIAG Mode Normal Note: * The rule of protection against reverse connection of power supply is VB= -13V, one minute (all terminals except, VB and GND, are open). Open load Shorted load Overheat VIN L H L H L H L H VO L H H H L L L L DIAG L H H H L L L L q DIAG output will be undetermined when a voltage exceeding 25V is applied to VB terminal. 28 s Quiescent Circuit Current 10 s Circuit Current 50 s Saturation Voltage of Output Transistor 2 40 Ta= -40C 25C 150C Ta = -40C 25C IB (mA) 30 VCE (sat) (V) Iq (mA) 5 1 VB = 6 to 16V Ta = 125C 25C -40C 20 150C 10 0 0 10 20 30 40 0 0 10 20 30 40 0 0 1 2 3 VB (V) VB (V) IO (A) s Overcurrent Protection Characteristics (Ta= -40C) 20 VB = 18V 16 14V s Overcurrent Protection Characteristics (Ta=25C) 20 VB = 18V 16 14V s Overcurrent Protection Characteristics (Ta =125C) 20 VB = 18V 16 14V VO (V) VO (V) 8 8V 4 8 8V VO (V) 12 12 12 8 8V 6V 4 6V 0 4 6V 0 0 1 2 3 4 5 0 1 2 3 4 5 0 0 1 2 3 4 5 IO (A) IO (A) IO (A) s Threshold input voltage 20 Ta = 125C 25C -40C 15 VB = 16V IO = 1A s Input Current (Output ON) 1.0 VB = 14V VIN = 5V 0.8 s Input Current (Output OFF) 5 VB = 14V VIN = 0V 4 IIH (mA) 10 0.4 IIL (A) 0 50 100 150 VO (V) 0.6 3 2 5 0.2 1 0 0 1 2 0 -50 0 -50 0 50 100 150 VIN (th) (V) Ta (C) Ta (C) s Output Terminal Leak Current 2 VB = 14V s Saturation Voltage of DIAG Output 0.5 VB = 14V IDIAG = 2mA 0.4 s Thermal Protection Characteristics 20 VB = 14V VDIAG = 5V IO = 10mA VO 15 IO leak (mA) VDL (V) VO (V) 0.3 1 10 0.2 5 VDIAG 0.1 0 -50 0 50 100 150 0 -50 0 0 50 100 150 0 50 100 150 200 Ta (C) Ta (C) Ta (C) 29 |
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